Hi, I wanted to check if one can create a new behavioural byte for pokemon emerald,
Because I am attempting to create a "super region",
And I want kanto maps that I port into Emerald to play kanto battle themes and wild encounter themes when I am on those maps!

I would consult this tutorial on how to switch between two different tracks for different regions. It allows you to have "replace" a track with another track, easy peasy.

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I think I'm done with ROM hacking. I'll still pop in and visit, though.